GCF and LCM Calculator Logo

What is the Least Common Multiple of 2774 and 2787?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 2774 and 2787 is 7731138.

LCM(2774,2787) = 7731138

LCM Calculator and
and

Least Common Multiple of 2774 and 2787 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2774 and 2787, than apply into the LCM equation.

GCF(2774,2787) = 1
LCM(2774,2787) = ( 2774 × 2787) / 1
LCM(2774,2787) = 7731138 / 1
LCM(2774,2787) = 7731138

Least Common Multiple (LCM) of 2774 and 2787 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2774 and 2787. First we will calculate the prime factors of 2774 and 2787.

Prime Factorization of 2774

Prime factors of 2774 are 2, 19, 73. Prime factorization of 2774 in exponential form is:

2774 = 21 × 191 × 731

Prime Factorization of 2787

Prime factors of 2787 are 3, 929. Prime factorization of 2787 in exponential form is:

2787 = 31 × 9291

Now multiplying the highest exponent prime factors to calculate the LCM of 2774 and 2787.

LCM(2774,2787) = 21 × 191 × 731 × 31 × 9291
LCM(2774,2787) = 7731138